6 Crazy Facts About Space That Will Make You Feel Tiny

Saturn Would Float in a Giant Bathtub

Saturn is the only planet in our solar system with an average density less than water. If you could find a bathtub big enough, Saturn would float like a cosmic beach ball. It’s made mostly of hydrogen and helium, which makes it lighter than water. The planet that looks solid and massive? It’s basically a giant, colourful balloon floating in space.